<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/11/param04" method="post">
    用户名：<input type = "text" name="username">
    密码：<input type = "text" name="password">
    <input type = "submit" name="登录">
</form>

</body>
</html>